1st AD@Duke ECE MS

Duke ECE AD虽然和学费比没什么意义。。。但是还是想请教一下下面这句话是总共4k美金(概率99%)还是8k美金(概率1%)？“The Duke ECE Department is very pleased to offer you a $4,000.00 tuition scholarship for the Fall 2019 and Spring 2020 semesters.”
应该是打算accept了，求组织！